Isn't it odd that we take for granted that the time required to obtain a functional entry-level education *in every field* — from comparative literature to statistics to agricultural science — is four years?
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These kinds of numbers are often a reflection of supply-and-demand of attention. Same as the 10,000 hour rule - nothing magic about 10,000 hours, that's just a demanding enough commitment that it winnows out 99.9% of entrants, leaving the remainder as the "experts".
Lots of things like this have economic explanations, IMO. Eg "information overload" has nothing to do with there being too much information, and everything to do with the fact that for many people there are increasing marginal returns to knowledge.
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Here’s your economic explanation: Accreditation requires 4 years of study Accreditation is required to receive Title IV funding About 70% of all college tuition is paid for by Title IV funding, including ~90% at most private universities
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Human cognitive limits have economic explanations (or scarcity explanations). Information overload (not enough attention), not enough memory, not enough meaning, not enough time are all constraints that the human brain tries its best to overcome.
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